Cisco Cisco HSRP Configuration Example Why do we need First Hop Redundancy Protocols? Almost all the connected end devices such as laptops, printers, televisions etc Suresh Vina Dec 14, 2022 6 min read
Cisco Cisco 9500 StackWise Virtual Configuration Overview Cisco StackWise Virtual allows two physical switches to operate as a single logical virtual switch. When using StackWise Virtual, Suresh Vina Nov 13, 2022 6 min read
Firewall Site-to-Site VPN between Palo Alto and Cisco ASA What if I tell you that configuring a site-to-site VPN between Palo Alto and ASA is easier than you may Suresh Vina Nov 12, 2022 7 min read
Cisco Cisco ASA Route-Based (VTI) VPN Example If I remember correctly, Cisco introduced Virtual Tunnel Based (VTI) VPN back in 2017 with a 9.7.1 code Suresh Vina Nov 12, 2022 6 min read
Cisco Cisco ASA Active/Passive Failover Configuration Example Overview High Availability is one of the most crucial requirements for a smooth network operation. In terms of routers or Suresh Vina Oct 24, 2022 10 min read
Cisco Cisco Catalyst 9300 Password Recovery So, you forgot the password, I know that sinking feeling in your stomach when you realize you can't Suresh Vina Oct 12, 2022 4 min read
ISE Everything you need to know about NAC, 802.1X and MAB In a simpler form, Network Access Control ensures that only users and devices that are authenticated and authorized can enter Suresh Vina Aug 29, 2022 7 min read
Cisco Cisco ASA AnyConnect VPN Example In this blog post, we will learn how to configure Remote Access VPN with Cisco AnyConnect. The configuration steps are Suresh Vina Apr 14, 2022 14 min read
Cisco Cisco ASA NAT Example In this blog post, we will go through the Cisco ASA NAT configuration examples. We will mainly be focusing on Suresh Vina Mar 24, 2022 7 min read
Cisco Cisco ASA Packet Capture Having the ability to take packet captures directly on the Firewall is a lifesaver during any Network Troubleshooting. In this Suresh Vina Mar 19, 2022 5 min read
Cisco OSPF default-information originate This blog post shows how to inject a default route into a normal OSPF area. In order for OSPF to Suresh Vina Mar 13, 2022 6 min read
Cisco Configuring AAA on Cisco devices using TACACS+ In this blog post, we will discuss how to configure authentication, authorization and accounting on Cisco devices using the TACACS+ Suresh Vina Feb 16, 2022 7 min read
ISE Cisco ISE CIMC firmware upgrade When I was looking to upgrade the CIMC on the SNS-3515 appliance I was very confused. I couldn't Suresh Vina Feb 9, 2022 4 min read
Cisco Cisco ASA Syslog Simplified This blog post focuses on how to configure Logging/Syslog on the Cisco ASA firewalls. Having relevant logs sent out Suresh Vina Jan 20, 2022 8 min read
ISE Cisco ISE Admin access with AD Account What if I tell you that only 3 out of 10 ISE admins use AD for ISE admin login (trust Suresh Vina Jan 11, 2022 5 min read
ISE Cisco ISE Patch Install Example Cisco releases ISE patches occasionally, like 3 or 4 patches a year for each version. The patches contain bug and Suresh Vina Jan 8, 2022 3 min read
Cisco Cisco ASA Site-to-Site VPN If you are reading this blog, it is more likely you want some assistance with configuring a VPN on the Suresh Vina Jan 7, 2022 10 min read
ISE Cisco ISE Log4j Patch Installation CSCwa47133 If you haven’t heard about Log4j vulnerability, then you must have been living under a rock for the past Suresh Vina Jan 5, 2022 3 min read